Hereditary diseases are also known as Inherited Diseases or Genetic Disorders. These are basically diseases that are occurred to a being because of it being passes over the generation due to defective genes.

There are many diseases that come over in a generation. It is not specific to particular generation; it travels down the line up to seventh generation too.

There are wide range of diseases that come under this category, following is list of few of them:

1. Hemophilia

2. Muscular dystrophy

3. Albinism

4. Turner syndrome

5. Galactosemia

And many more.

I hope this answer helps!😊